# Callback Types

<table><thead><tr><th width="253">Type</th><th>Explanation</th></tr></thead><tbody><tr><td>1</td><td>Successful Payment</td></tr><tr><td>2</td><td>Failed Payment</td></tr><tr><td>3</td><td>Refund</td></tr><tr><td>4</td><td>Partial Refund</td></tr><tr><td>5</td><td>Cancellation</td></tr></tbody></table>